Diving helmet



FIG. 1 is a front view of a diving helmet showing our new design.

FIG. 2 is a plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a underneath plan view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is a side elevational view taken about the line A--A of FIG. 1. 

The ornamental design for a diving helmet, as shown. 